#include <stdint.h>
+#include <errno.h>
#include "syscall.h"
void *sbrk(intptr_t inc)
{
- unsigned long cur = syscall(SYS_brk, 0);
- if (inc && syscall(SYS_brk, cur+inc) != cur+inc) return (void *)-1;
- return (void *)cur;
+ if (inc) return (void *)__syscall_ret(-ENOMEM);
+ return (void *)__syscall(SYS_brk, 0);
}